After we decided not to error out if there are no illuminated frames to correct. This code slipped into the summary notebook. It will result in a failed processing as the expected corrected files are not available
A summary notebook is a good way to decide whether all sequences were empty. However, as this was not done on purpose I caught this and set a warning only. We can go for an error if that's what we want,
SPB_DET_AGIPD1M-1_correct_007927_r0181_240928_115658_433345-1.pdf